{"product_id":"natriumphosphat-7hydrat-czda-25g","title":"Fosfat de sodiu heptahidrat CZDA 25g","description":"\u003cp\u003e\u003cstrong\u003eFosfat disodic 7-hidrat p.d.a. Na₂HPO₄ - 7H₂O\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInformații tehnice despre reactivul chimic:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eFormula chimică: Na₂HPO₄ - 7H₂O.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr CAS: 7558-79-4\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eNumăr EC: 231-448-7\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSinonime: Fosfat disodic dihidrat, Fosfat disodic heptahidrat\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMasă molară: 268,07 g\/mol\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSpecie: p.d.a. (pur pentru analiză)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eProprietăți fizice și chimice:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003eFormă: solid\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAspect: cristale albe sau pulbere cristalină\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMiros: inodor\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eValoare pH (soluție 5%, 20°C): 9,0 - 9,3\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de topire: aprox. 48°C (Pierdere de apă de cristalizare)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de fierbere\/Descompunere: \u0026gt;100°C (Descompunere)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePunct de inflamabilitate: nu se aplică\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eTemperatură de autoaprindere: nu se aplică\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eLimite de explozie: nu se aplică\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePresiune de vapori: nu se aplică\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate: aprox. 1,7 g\/cm³ (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eDensitate în vrac: 850 - 950 kg\/m³\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în apă: aprox. 95 g\/l (20°C)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSolubilitate în solvenți organici: nu sunt disponibile date\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecificație de calitate (p.d.a.):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan\u003ePuritate: 99,0 - 101,0 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSubstanțe insolubile în apă: max. 0,005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eValoare pH (5%, 20°C): 9,0 - 9,3\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCloruri (Cl): max. 0,001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eSulfați (SO₄): max. 0,005 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eAzot total (N): max. 0,001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eMetale grele (Pb): max. 0,001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eFier (Fe): max. 0,001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eArsen (As): max. 0,0001 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003ePotasiu (K): max. 0,02 %.\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eZinc (Zn): max. 0,001 %\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan\u003eCupru (Cu): max. 0,001 %\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eExemple de aplicații profesionale în diverse industrii:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaboratoare analitice:\u003c\/strong\u003e Prepararea soluțiilor tampon și standard.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustria chimică:\u003c\/strong\u003e Regulator de pH, reactiv în procese de sinteză anorganică.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControlul calității apei:\u003c\/strong\u003e Utilizat în investigarea parametrilor fizico-chimici.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEducație și didactică:\u003c\/strong\u003e Reactiv în experimente chimice în școli și universități.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvertismente de pericol pe eticheta produsului:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNicio pericol clasificat conform GHS\/CLP.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIndicații de siguranță pe eticheta produsului:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEvitați inhalarea prafului și contactul cu ochii. Purtați ochelari de protecție și mănuși la lucru.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCondiții de depozitare recomandate:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e\n  \u003cli\u003eDepozitați în recipiente bine închise, într-un loc uscat și răcoros.\u003c\/li\u003e\n  \u003cli\u003eProtejați de umiditate și de CO₂ din aer.\u003c\/li\u003e\n  \u003cli\u003eEvitați contactul cu acizii și agenții oxidanți puternici.\u003c\/li\u003e\n  \u003cli\u003eTemperatură de depozitare recomandată: 15-25°C.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Biolaboratorium","offers":[{"title":"Default Title","offer_id":55505821040988,"sku":"CHEM-117992802-25g","price":13.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0693\/0491\/0119\/files\/26ad739ebdfaf61482a041df7ea15a38.jpg?v=1758203186","url":"https:\/\/biolaboratoriuhot.com\/ro\/products\/natriumphosphat-7hydrat-czda-25g","provider":"Biolaboratorium","version":"1.0","type":"link"}